the u.s. government gives them $65,000 to build or modify a home. it often costs several times that. that has led to a new mission for the tunnel to towers foundation. it began after 9/11 to honor new york firefighter steven siller who ran through the brooklyn battery tunnel to the twin towers and gave his life trying to save others. his brother, frank siller is the foundation's chairman and says they will build 11 new homes for wounded veterans this year. >> they want their own life. these are americans that paid a big price. the houses have to be designed for them to live comfortably, not just today but for the rest of their lives. >> reporter: with private donations, they built this $600,000 home for dominguez in california where he wanted to live. >> tuck them against the walls. it will be fine. >> reporter: the house has an elevator and an ipad that allows him to control the lighting, the shades and open the front door. >> this is my favorite feature of the house. >> the microwave. >> reporter: everything is now within reach. >> you push that a